Welcome to Farewell to the world we knew. Its a Percy Jackson fan fic set in a zombie apocalypse. The Mist has fallen alongside the undead now roaming the streets. How will the demigods cope? Will they survive or will they fall, they are locked out of heaven so they have to fend for themselves. Will the demigods and gods find out, who developed the virus? Read and find out The undead used in this will be used from the video game: Days Gone.